13662842 has 8 divisors (see below), whose sum is σ = 21048276. Its totient is φ = 6646752.

The previous prime is 13662829. The next prime is 13662871. The reversal of 13662842 is 24826631.

It can be written as a sum of positive squares in 2 ways, for example, as 10426441 + 3236401 = 3229^2 + 1799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13662799 and 13662808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92243 + ... + 92390.

Almost surely, 2^13662842 is an apocalyptic number.

13662842 is a deficient number, since it is larger than the sum of its proper divisors (7385434).

13662842 is a wasteful number, since it uses less digits than its factorization.

13662842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184672.

The product of its digits is 13824, while the sum is 32.

The square root of 13662842 is about 3696.3281780708. The cubic root of 13662842 is about 239.0637248887.

The spelling of 13662842 in words is "thirteen million, six hundred sixty-two thousand, eight hundred forty-two".